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We know we've seen these people on this balcony before, but we can't put our finger on when.

Talk about living like royalty. Prince William and Kate Middleton (now Catherine, Duchess of Cambridge) charmed fans this weekend with a photo opp-ready, whirlwind social schedule.

The pair started by celebrating the Queen's 85th birthday on Saturday, returning to the balcony at Buckingham Palace where they kissed on their wedding day, according to People.

After a ceremony for the monarch, who has reigned since 1952, Kate rode in a horse-drawn carriage fit for a princess, while Prince William rode a horse, wearing the red uniform of the Irish Guards, People reported. The event was Kate's first as Duchess of Cambridge.

Later in the day, she met up with her popular sister Pippa for the wedding of friends Sam Waley-Cohen and Annabel Ballin, in Berkshire, England, People reported. Kate recycled a black and white cocktail dress she wore on a night out in London during her brief split with Wills, U.K. tabloid the Daily Mail reported.

Happy 4th Anniversary William and Kate

Will and Kate found new outfits for Sunday, when the royal family celebrated the 90th birthday of Prince William's grandfather, Prince Phillip, Duke of Edinburgh. The newlyweds rolled up in a vintage Rolls Royce wearing an impeccable dark suit and a periwinkle blue jacquard coat dress. The eagle-eyed Daily Mail pointed out that Kate wore the dress for a wedding in 2009, too. If it ain't broke ...